KR20130003375U - Supercoolding refrigerator for liquid drink - Google Patents

Supercoolding refrigerator for liquid drink Download PDF

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Publication number
KR20130003375U
KR20130003375U KR2020110010617U KR20110010617U KR20130003375U KR 20130003375 U KR20130003375 U KR 20130003375U KR 2020110010617 U KR2020110010617 U KR 2020110010617U KR 20110010617 U KR20110010617 U KR 20110010617U KR 20130003375 U KR20130003375 U KR 20130003375U
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South Korea
Prior art keywords
subcooling
refrigerator
liquid
door
time
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KR2020110010617U
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Korean (ko)
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박성배
이상훈
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주식회사 더블유지오티
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Priority to KR2020110010617U priority Critical patent/KR20130003375U/en
Publication of KR20130003375U publication Critical patent/KR20130003375U/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00Arrangement or mounting of control or safety devices
    • F25D29/005Mounting of control devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2331/00Details or arrangements of other cooling or freezing apparatus not provided for in other groups of this subclass
    • F25D2331/80Type of cooled receptacles
    • F25D2331/803Bottles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2331/00Details or arrangements of other cooling or freezing apparatus not provided for in other groups of this subclass
    • F25D2331/80Type of cooled receptacles
    • F25D2331/805Cans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/36Visual displays
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2600/00Control issues
    • F25D2600/04Controlling heat transfer

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

본 고안은 액상음료용 과냉각 전용 냉장고에 관한 것으로서, 과냉각실이 분리되며, 각각의 과냉각실에는 도어가 개폐가능하게 장착되며, 각각의 과냉각실은 서로 다른 설정온도로 설정될 수 있고, 본체(1)의 정면에는 도어(20)가 개폐가능하게 장착되며, 도어(20)는 테두리부(21)와, 테두리부(21)의 중앙에 형성된 투명유리부(22)로 이루어지고, 디스플레이부(15)는 냉장고 온도를 표시하고, 과냉각시간을 사용자가 설정하고 설정된 시간의 잔여 시간을 표시할 수 있는 타이머가 구비된다.The present invention relates to a subcooled refrigerator for liquid beverage, the subcooling chamber is separated, each subcooling chamber is mounted so as to open and close, each subcooling chamber can be set to a different set temperature, the main body (1) The front of the door 20 is mounted to be opened and closed, the door 20 is composed of a rim 21, a transparent glass 22 formed in the center of the rim 21, the display unit 15 Is provided with a timer that displays the refrigerator temperature, the user can set the supercooling time and display the remaining time of the set time.

Description

액상음료용 과냉각 전용 냉장고{SUPERCOOLDING REFRIGERATOR FOR LIQUID DRINK}Supercooling Refrigerator for Liquid Beverages {SUPERCOOLDING REFRIGERATOR FOR LIQUID DRINK}

본 고안은 액상음료용 과냉각 전용 냉장고에 관한 것으로서, 보다 상세히는 2종 이상의 액상음료를 과냉각시키기 위한 상업상 액상음료용 과냉각 전용 냉장고에 관한 것이다.The present invention relates to a subcooled refrigerator for liquid beverages, and more particularly, to a subcooled refrigerator for commercial liquid beverages for supercooling two or more liquid beverages.

액상음료는 1기압 하에서 어는 점 이하의 온도가 되면 고상으로 상변화하는 것이 일반적이나, 경우에 따라서는 고상으로 변하지 않고 과냉각액 상태로 존재하게 된다. 이와 같이 액체가 어는 점 이하에서 얼지 않고 과냉각액 상태로 있는 것을 열역학적으로는 준 안정(metastable) 상태라고 한다. 준 안정 상태에 있는 과냉각액은 불안정하지도 않지만, 또 안정한 상태도 아니어서 주변에서 외란이 가해질 경우 순간적으로 고상으로 상변화가 일어나게 된다. 따라서 과냉각 상태로 냉각된 액상음료를 차가운 컵에 따르거나 과냉각 상태의 액상음료에 충격, 진동 등을 가하면 완전히 얼거나 녹지 않은 상태의 액상음료로 상변화되는데, 이와 같이 고상으로 상변화된 액상음료를 슬러시(Slush)라 한다.It is common to change liquid phase to a solid phase when the liquid beverage reaches a temperature below freezing point under 1 atm, but in some cases, the liquid beverage does not change into a solid phase but exists as a supercooled liquid. In this way, the liquid does not freeze below the freezing point and is in a supercooled liquid state, which is thermodynamically referred to as a metastable state. The subcooling liquid in the metastable state is not unstable, but it is also not stable, and when a disturbance is applied to the surroundings, a phase change occurs to a solid state instantaneously. Therefore, when a liquid drink cooled in a supercooled state is poured into a cold cup or a shock or vibration is applied to the liquid drink in a subcooled state, the liquid is changed into a liquid drink that is completely frozen or not dissolved. It is called (Slush).

공개특허 10-2007-0075669 호에 따르면, 입력부는 액상음료를 과냉각 상태로 냉각시켜 보관하는 과냉각실의 온도제어를 시작하기 위한 시작버튼과, 액상음료의 슬러시 강도(소프트 슬러시, 일반 슬러시, 하드 슬러시 등)를 선택하기 위한 슬러시강도 선택버튼과, 액상음료의 종류(물, 커피, 식혜, 주스, 술 등)를 선택하기 위한 음료선택버튼 등 다수의 버튼이 마련되어 있다. 상기 제어부는 액상음료의 과냉각 시, 액상음료의 과냉각도에 따른 슬러시 강도 또는 액상음료의 종류를 사용자가 선택 조절할 수 있는 모드를 마련하여 액상음료의 과냉각 온도를 변경하기 위한 신호입력여부를 판단하고, 과냉각 온도변경신호가 입력되면 사용자의 기호 또는 액상음료의 종류에 맞게 변경된 과냉각 온도에 따라 과냉각실(11)의 온도를 제어하여 액상음료의 과냉각도 정도를 조절한다.According to Korean Patent Laid-Open Publication No. 10-2007-0075669, the input unit has a start button for starting temperature control of a subcooling chamber in which the liquid beverage is cooled and stored in a subcooled state, and the slush strength of the liquid beverage (soft slush, general slush, hard slush). Etc.), a plurality of buttons are provided, such as a slush strength selection button for selecting a beverage and a beverage selection button for selecting a type of liquid beverage (water, coffee, food, juice, liquor, etc.). The control unit determines whether a signal is input to change the subcooling temperature of the liquid beverage by providing a mode in which the user can selectively adjust the slush strength or the type of liquid beverage according to the subcooling degree of the liquid beverage when the liquid beverage is supercooled. When the supercooling temperature change signal is input, the degree of supercooling of the liquid beverage is controlled by controlling the temperature of the subcooling chamber 11 according to the subcooling temperature changed according to the user's preference or the type of liquid beverage.

상기 공개특허는 미리 설정된 액상음료의 과냉각 온도를 유지하도록 자동 제어하지만, 2종 이상의 음료가 함께 내장될 때의 제어방법이 없고, 과냉각 상태에서 사용자가 냉장고 문을 열어버리면 과냉각이 제대로 될 수 없게 되고, 더욱이 과냉각이 완료되었음을 알려주는 표시가 없어 불편하게 된다.The patent discloses an automatic control to maintain the precooling temperature of the liquid drink, but there is no control method when two or more beverages are incorporated together, and if the user opens the refrigerator door in the supercooling state, the supercooling cannot be properly performed. In addition, there is no indication that the supercooling has been completed.

본 고안은 상술한 종래의 문제점을 극복하기 위한 것으로, 본 고안의 목적은 서로 다른 액상 음료를 별도로 수용하여 과냉각시키도록 별도의 과냉각실을 구비하며, 액상음료의 과냉각상태를 온도 조정이 아니라 시간 조정으로 하며, 과냉각 중과 과냉각 완료 상태를 표시하여 사용자가 알 수 있도록 하는 액상음료용 과냉각 전용 냉장고를 제공하는데 있다.The present invention is to overcome the above-mentioned problems, the object of the present invention is to provide a separate sub-cooling chamber to separately accommodate the different liquid drinks, and to adjust the time of the supercooled state of the liquid beverage rather than temperature adjustment The present invention provides a refrigerator for a liquid beverage subcooling for displaying the state of subcooling and the subcooling completion so that a user can know.

본 고안에 따른 액상음료용 과냉각 전용 냉장고의 일예로서, As an example of a subcooled refrigerator for liquid beverage according to the present invention,

과냉각실이 분리되며, 각각의 과냉각실에는 도어가 개폐가능하게 장착되며, 각각의 과냉각실은 서로 다른 설정온도로 설정될 수 있고, 과냉각 완료 시간이 다르게 되며, 상기 도어는 각각 테두리부와, 테두리부의 중앙에 형성된 투명유리부로 이루어지며, 각각의 테두리부의 상부에는 디스플레이부가 그리고 테두리부의 측면에는 손잡이가 구비된다.The subcooling chamber is separated, and each subcooling chamber is mounted to be opened and closed. Each subcooling chamber can be set to a different set temperature, and the subcooling completion time is different. It is made of a transparent glass formed in the center, each of the edge portion is provided with a display portion and a handle on the side of the edge portion.

본 고안에 따른 액상음료용 과냉각 전용 냉장고는 과냉각 전용 냉장고로서 사용자는 온도제어를 하는 것이 아니라 액상음료에 대한 과냉각 시간제어만 하면 되고, 서로 다른 액상 음료를 별도로 과냉각시키도록 별도의 과냉각실을 구비하므로, 액상음료의 과냉각이 원활하게 이루어지는 효과가 있다.The liquid beverage subcooling refrigerator according to the present invention is a subcooling refrigerator only because the user does not control the temperature but only controls the supercooling time for the liquid beverage, and has a separate subcooling chamber to supercool different liquid beverages separately. , There is an effect that the supercooling of the liquid beverage is made smoothly.

여기에서 설명한 것은 본 고안에 따른 액상음료용 과냉각 전용 냉장고를 실시하기 위한 하나의 실시예에 불과한 것으로서, 본 고안은 본 실시예에 한정되지 않고, 이하의 실용신안등록청구범위에서 청구하는 바와 같이 본 고안의 요지를 벗어남이 없이 당해 고안이 속하는 분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변경 실시가 가능한 범위까지 본 고안의 기술적 정신이 있다고 할 것이다.What is described here is just one embodiment for carrying out the liquid beverage subcooling refrigerator according to the present invention, the present invention is not limited to this embodiment, as claimed in the utility model registration claims below Without departing from the gist of the invention, anyone with ordinary knowledge in the field to which the invention belongs will have a technical spirit of the present invention to the extent that various modifications can be made.

도 1은 본 고안에 따른 과냉각용 냉장고의 사시도
도 2는 본 고안에 따른 과냉각 제어장치의 구성도
도 3은 본 고안에 따른 액상음료용 과냉각 전용 냉장고의 플로우챠트
1 is a perspective view of a refrigerator for subcooling according to the present invention
2 is a block diagram of a supercooling control apparatus according to the present invention
3 is a flow chart of a subcooled refrigerator for liquid beverages according to the present invention

도 1을 참조하면, 본 고안에 따른 과냉각용 냉장고(이하 "냉장고"라 한다)로서, 본체(1)의 정면에는 상하 2개의 과냉각실(3, 5)이 분리되어 있고, 각각의 과냉각실(3, 5)에는 도어(20a, 20b)가 개폐가능하게 장착된다. 도어(20a, 20b)는 각각 테두리부(21)와, 테두리부(21)의 중앙에 형성된 투명유리부(22)로 이루어진다. 각각의 테두리부(21)의 상부에는 디스플레이부(15)가 그리고 테두리부(21)의 측면에는 손잡이(25)가 구비되고, 또한 록킹수단(30)이 선택적으로 구비될 수 있다.Referring to Figure 1, a subcooling refrigerator according to the present invention (hereinafter referred to as "freezer"), the upper and lower two subcooling chamber (3, 5) is separated on the front of the main body 1, each subcooling chamber ( Doors 20a and 20b are mounted to 3 and 5 so that they can be opened and closed. The doors 20a and 20b each include an edge portion 21 and a transparent glass portion 22 formed at the center of the edge portion 21. A display unit 15 may be provided on the upper portion of each edge portion 21, and a handle 25 may be provided on the side surface of the edge portion 21, and a locking means 30 may be selectively provided.

각각의 과냉각실(3, 5)은 다른 종류의 액상음료를 수용하기 위한 것으로서, 예를들어 상단의 과냉각실(3)에는 맥주를, 하단의 과냉각실(5)에는 소주를 수용할 수 있다. 맥주와 소주는 과냉각 완료되는 시간이 서로 다르므로 다른 과냉각실에 수용하는 것이다.Each of the subcooling chambers 3 and 5 is for accommodating different types of liquid beverages, for example, beer in the upper subcooling chamber 3 and shochu in the lower subcooling chamber 5. Beer and shochu will be stored in different subcooling rooms because the time required to complete subcooling is different.

본 고안에 따른 과냉각용 냉장고는 2단 이상으로도 이루어질 수 있고, 그 기능은 동일하게 된다.The supercooling refrigerator according to the present invention may be made of two or more stages, and the function becomes the same.

디스플레이부(15)는 냉장고 온도를 표시하고, 과냉각시간을 사용자가 설정하고 설정된 시간의 잔여 시간을 표시할 수 있는 타이머가 구비되며, 과냉각시간을 사용자가 설정하면, 과냉각중이라고 표시하는 LED 표시등(예를들어 레드등) 및 도어 오픈이 가능하다는 LED 표시등(예를들어 블루등)이 구비된다. 상기 LED 표시등 대신에 문자로 디스플레이할 수도 있다. The display unit 15 includes a timer that displays the refrigerator temperature, sets the supercooling time by the user, and displays the remaining time of the set time, and when the user sets the supercooling time, the LED indicator indicating that the subcooling is being performed ( For example, a red light and an LED light (for example, blue light) indicating that the door can be opened are provided. Text may be displayed instead of the LED indicator.

도 2를 참조하면, 제어부(50)는 시스템 전체를 제어하며, 온도센서(54)는 기존에 냉장고 내에 있는 것이며, 시간설정용 타이머(56)는 사용자가 액상음료의 종류에 따라 과냉각되는 시간을 설정해 주는 것이며, 록킹수단(30)은 도어(20)를 전자적으로 오픈/크로즈 시키는 것이며, 구동부(52)는 냉매시스템을 구동하는 것이다.Referring to FIG. 2, the controller 50 controls the entire system, the temperature sensor 54 is existing in the refrigerator, and the time setting timer 56 measures the time for which the user is supercooled according to the type of liquid beverage. The locking means 30 is to open / close the door 20 electronically, and the driving part 52 is to drive the refrigerant system.

도 3을 참조하여, 본 고안에 따른 액상음료용 과냉각 전용 냉장고를 설명하기로 한다.With reference to Figure 3, it will be described a subcooled refrigerator for liquid beverage according to the present invention.

사용자가 디스플레이부(15)에 있는 시간설정용 타이머(56)로 액상음료의 종류에 따라 시간 설정을 한다(S101). The user sets the time according to the type of liquid drink with the time setting timer 56 in the display unit 15 (S101).

본 고안에 따른 냉장고는 과냉각 전용 냉장고이므로 냉장고 내의 설정온도는 -5℃와 같이 미리 설정된다. 그러므로 온도 제어를 하지 않고, 시간 제어를 하게 된다.Since the refrigerator according to the present invention is a dedicated refrigerator for subcooling, the set temperature in the refrigerator is set in advance such as -5 ° C. Therefore, time control is performed without temperature control.

시간제어도 과냉각 완료 시점을 사용자에게 알려 주기 위함이다. 예를들어 물을 과냉각시키기 위해서, 타이머(56)를 통하여 5시간을 설정하고 시작 버튼을 누르면, 물이 5시간 후에 과냉각 상태로 된다는 것을 의미하고, 별도로 온도제어를 하는 것이 아니다.The time control is also to inform the user of the completion of the supercooling. For example, in order to supercool the water, setting the 5 hours through the timer 56 and pressing the start button means that the water is in the supercooled state after 5 hours, and does not perform temperature control separately.

이와같이, 타이머(56)가 시작되면, 디스플레이부(15)는 도어(20)를 오픈하지 말라는 표시를 하게 된다(S103). 표시 방법은 LED 표시등으로서 레드등과 블루등을 사용하여 도어 오픈 금지와 가능으로 구별할 수 있고, LED 표시등 대신에 문자로 디스플레이할 수도 있다.As such, when the timer 56 is started, the display unit 15 displays an indication not to open the door 20 (S103). The display method can be distinguished from the prohibition of the door opening using the red light and the blue light as the LED light, and can be displayed by text instead of the LED light.

사용자는 과냉각 설정 시간 동안에는 도어(20)를 오픈하지 말아야 한다. 과냉각 준비중에 도어(20)를 오픈하면 과냉각 상태가 좋지 않게 되기 때문이고, 더욱이, 본 고안의 냉장고가 슈퍼마켓 등에 설치되는 경우에는 고객들이 도어를 오픈하면 사실상 과냉각이 안될 수도 있다.The user should not open the door 20 during the supercooling set time. This is because when the door 20 is opened during the subcooling preparation, the subcooling state is not good. Furthermore, when the refrigerator of the present invention is installed in a supermarket or the like, when the customers open the door, the subcooling may be virtually impossible.

이런 점을 감안하여, 옵션으로서, 냉장고 도어(20)에 전자 도어록킹수단(30)을 구비하여, 과냉각 시작 타임이 설정되면 도어(20)를 강제적으로 록킹시키고(S105), 과냉각 타임이 완료되면(S107), 도어(20)를 언록킹시킨다(S109).In view of this, as an option, the refrigerator door 20 is provided with an electronic door locking means 30, when the supercooling start time is set, the door 20 is forcibly locked (S105), and when the supercooling time is completed, (S107), the door 20 is unlocked (S109).

도 1와 같이, 2단의 냉장고인 경우인 경우에는 각 단마다 별도로 과냉각 제어를 하게 된다.As shown in FIG. 1, in the case of a two-stage refrigerator, sub-cooling control is performed separately for each stage.

1 : 본체 15 : 디스플레이부 20 : 도어
21 : 테두리부 22 : 투명유리부 25 : 손잡이
30 : 록킹수단 50 : 제어부 52 : 구동부
54 : 온도센서 56 : 시간설정용 타이머
DESCRIPTION OF SYMBOLS 1 Main body 15 Display 20 Door
21: edge portion 22: transparent glass portion 25: the handle
30: locking means 50: control unit 52: drive unit
54: temperature sensor 56: time setting timer

Claims (2)

과냉각실이 분리되며, 각각의 과냉각실에는 도어가 개폐가능하게 장착되며, 각각의 과냉각실은 서로 다른 설정온도로 설정될 수 있고, 과냉각 완료 시간이 다르게 되는 것을 특징으로 하는 액상음료용 과냉각 전용 냉장고.
The subcooling chamber is separated, each subcooling chamber is mounted so as to open and close the door, each subcooling chamber can be set to a different set temperature, the subcooling dedicated refrigerator for liquid beverages, characterized in that the subcooling completion time is different.
제1항에 있어서,
상기 도어는 각각 테두리부와, 테두리부의 중앙에 형성된 투명유리부로 이루어지며, 각각의 테두리부의 상부에는 디스플레이부가 그리고 테두리부의 측면에는 손잡이가 구비되는 것을 특징으로 하는 액상음료용 과냉각 전용 냉장고.
The method of claim 1,
Each of the doors is made of an edge portion, and a transparent glass portion formed in the center of the edge portion, each of the upper portion of the liquid crystal beverage subcooling refrigerator, characterized in that the display portion and the handle is provided on the side of the edge portion.
KR2020110010617U 2011-11-29 2011-11-29 Supercoolding refrigerator for liquid drink KR20130003375U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200489423Y1 (en) 2018-12-26 2019-06-14 오현주 Liquid Phase Beverage Supercooling Device
KR102092161B1 (en) * 2018-10-16 2020-03-23 김경옥 Cooling container and cooling method for making slush drink contained in a receptacle
KR20200001489U (en) 2019-05-27 2020-07-06 오현주 Liquid Phase Beverage Supercooling Device
KR20200080066A (en) 2018-12-26 2020-07-06 오현주 Liquid Phase Beverage Supercooling Device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102092161B1 (en) * 2018-10-16 2020-03-23 김경옥 Cooling container and cooling method for making slush drink contained in a receptacle
KR200489423Y1 (en) 2018-12-26 2019-06-14 오현주 Liquid Phase Beverage Supercooling Device
KR20200080066A (en) 2018-12-26 2020-07-06 오현주 Liquid Phase Beverage Supercooling Device
KR20200001489U (en) 2019-05-27 2020-07-06 오현주 Liquid Phase Beverage Supercooling Device

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